Table 3

Effects of carbon dots on T lymphocyte subsets in spleen of BALB/c mice

Groups

CD4+ (%)

CD8+ (%)

CD4+/CD8+

Saline

25.97 ± 0.65

9.94 ± 1.01

2.63 ± 0.21

Carbon dots

2 mg/kg

24.95 ± 0.20

12.54 ± 0.26**↑

1.99 ± 0.04**↓

10 mg/kg

24.31 ± 0.41**↓

11.00 ± 0.14

2.21 ± 0.05**↓

50 mg/kg

26.51 ± 0.44

12.75 ± 0.12**↑

2.08 ± 0.04**↓

The effects were recorded 1 day after administration. Data are presented as mean ±
standard deviations, n = 5. **P < 0.01 compared with the saline group (control). Significant difference was calculated
by one-way ANOVA using SPSS19.0.